InChI=1/C20H24N4O2/c1-13(25)22-17-10-9-16(21-11-6-12-24(2)3)18-19(17)23-15-8-5-4-7-14(15)20(18)26/h4-5,7-10,21H,6,11-12H2,1-3H3,(H,22,25)(H,23,26)/p+1/fC20H25N4O2/h22-24H/q+1 A8680B72873177E9